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Endocrine System
Endocrine Glands
Hormones
Glands that secrete hormones directly into the circulatory system are called
          (a) exocrine (b) endocrine (c) sebaceous (d) secretory




 Hormones have an effect on (a) all cells of the body (b) growing cells
                  (c) stem cells (d) target cells.
Steroid Hormones – Gene Level Effect
Protein (non-steroid) Hormones
       Second Messenger Effect
Steroid hormones (a) are protein (b) stimulate production of a second messenger
                  (c) have a gene level effect (d) all of these.




Protein hormones (a) are not protein (b) stimulate production of a second messenger
                  (c) have a gene level effect (d) none of these.
Feedback – regulates hormone release
The level of secretion of hormones is most often controlled by (a) chromosomes
(b) negative feedback loops (c) positive feedback loops (d) neutral feedback loops.
Prostaglandins – “tissue hormones”
Which type of hormone is not a "systemic hormone"? (a) prostaglandin
     (b) protein hormone (c) steroid hormone (d) sex hormone.
Pituitary Gland
Pituitary Hormones
The Pituitary gland is (a) attached to the brain (b) the "master gland"
                (c) an endocrine gland (d) all of these.
Anterior Pituitary (Adenohypophysis)
Which is NOT controlled by the anterior pituitary (Adenohypophysis)? (a) growth
               (b) water retention (c) metabolism (d) sexuality.
Posterior Pituitary (Neurohypophysis)
Which is controlled by the posterior pituitary gland (Neurohypophysis)? (a) growth
                  (b) water retention (c) metabolism (d) sexuality.
Thyroid Gland
Thyroid Hormones
Thyroxin (a) is a pituitary gland hormone (b) is an adrenal gland hormone
 (c) regulates metabolic level (d) is antagonistic to parathyroid hormone.
Calcitonin
Calcitonin (a) is produced in the thyroid gland (b) lowers blood calcium level
                   (c) is antagonistic to PTH (d) all of these.
Parathyroid – Parathyroid Hormone
Parathyroid hormone (PTH) (a) is produced in the parathyroid glands
(b) raises blood calcium level (c) is antagonistic to calcitonin (d) all of these.
Adrenal Gland
Adrenal Cortex
• Mineralocorticoids
  – Aldosterone – increases resorption of sodium
    in the kidneys
• Glucocorticoids
  – Gluconeogenesis
  – Anti-alergy hormones – Cortisol
• Androgens
  – Masculizing Hormone
Adrenal Medulla
• Epinephrine
• Norepinephrine
The adrenal gland produces (a) Thyroxin (b) Melatonin
           (c) masculizing hormone (d) all of these.




Cortisol (a) is antagonistic to epinephrine (b) is synergistic to ADH
          (c) suppresses inflammation (d) none of these.




 Epinephrine is also know as (a) adrenalin (b) growth hormone
       (c) a trophic hormone (d) masculizing hormone.
The Pancreas
Functions of the Pancreas
Histology of the Pancreas
Pancreatic Hormones
• Insulin – Necessary for uptake of glucose
  by tissue cells throughout the body.
• Glucogon – Stimulates glycogenolysis
  which is the conversion of starch
  (glycogen) to blood sugar
Insulin is (a) necessary for cells to absorb glucose (b) produced in the pancreas
              (c) produced in the Isles of Langerhans (d) all of these.
Glycogenolysis
Glucose is produced by (a) glycogenolysis (b) glycogenesis (b) the thyroid gland
                              (d) the mitochondria.
Endocrine function of Ovaries

             Estrogen – Stimulates the growth of
             the inner uterine lining (endometrium)
             during proliferative phase. Stimulates
             development of secondary sexual
             characteristics in the female.

             Progesterone – Stimulates thickening of
             the uterine lining during the secretory
             phase.
The ovaries have an endocrine function in producing (a) FSH (b) LH (c) estrogen
                          (d) masculizing hormone.
Testes




   Testosterone – Stimulates development
   of secondary sexual characteristics in
    males.
The testes have an endocrine function in producing (a) FSH (b) LH (c) Testosterone
                            (d) masculizing hormone.
Thymus



         Thymosin – Stimlates
         The maturation of T-cell
         lymphocytes
The Thymus is part of the (a) endocrine system (b) the immune system
                   (c) both of these (d) neither of these.




Thymosin stimulates (a) the growth of the Thyroid (b) metabolism
(c) the growth of the Thymus gland (d) the maturation of T-cell lymphocytes.
Placenta




Human Chorionic Gonadotrophin (HCG) – “Pregnancy Hormone” signals brain
and pituitary gland to interrupt the menstrual cycle.
The Placenta has an endocrine function in producing
(a) human chorionic gonadotrophin (b) testosterone
          (c) placentone (d) all of these.
Pineal Gland




Melatonin – Controls day-night rhythms (Sleepiness).
The Pineal gland controls (a) when you get sleepy (b) when you are wide awake
                  (c) daily rhythms (circadian) (d) all of these.
The Heart




Atrial Natriuretic Hormone (ANH) – Lowers blood volume by decreasing water
          resorption in kidneys (makes urine hypotonic).
Atrial Natriuretic Hormone is (a) antagonistic to aldosterone (b) antagonistic to ADH
                    (c) produced by heart muscle (d) all of these.
The Blood
Red Blood Cells - Erythrocytes
Red Blood Cells (erythrocytes) (a) have a nucleus (b) contain mostly hemoglobin
           (c) are among the largest of human cells (d) all of these.
White Blood Cells - Leucocytes
White Blood Cells (leucocytes) (a) have a nucleus (b) contain mostly hemoglobin
            (c) are among the largest of human cells (d) all of these.
Platelets
Platelets (a) have a nucleus (b) contain clotting factors
(c) are among the largest of human cells (d) all of these.
Blood Plasma



     Water
     Clotting Factors
     Blood Sugar
     Blood Proteins
     Minerals (electrolytes)
     Hormones
     Nutrients
     Dissolved gasses
     Waste products
Which is NOT a component of blood plasma? (a) minerals (b) nutrients
                 (c) hemoglobin (d) clotting factors.
Clotting Factors
Which is NOT a clotting factor? (a) fibrinogen (b) gamma globulin (c) prothrombin
                                  (d) thrombin.
Hematocrit
A hematocrit measures relative (a) percentage of RBC in whole blood
(b) hemoglobin level in RBC (c) percentage of clotting factors in whole blood
                              (d) all of these.
Blood Types
A universal blood donor would have which blood type? (a) O negative (b) O positive
                         (c) AB positive (d) AB negative.
The Heart
Chambers of the Heart
Heart Tissue Layers
Heart muscle is called (a) pericardium (b) myocardium (c) endocardium (d) epicardium.
Heart Valves
Heart Circulation
The valve between the left atrium and the left ventricle is called the (a) tricuspid valve
(b) pulmonary valve (c) mitral valve (d) aortic valve.
Circulatory Loops
The right ventricle pumps blood to the (a) systemic loop (b) pulmonary loop (c) heart
                                   (d) all of these.
Heart Innervation
The sino-atrial node (SA node) is also called the (a) pacemaker (b) ectopic pacemaker
                       (c) extrinsic pacemaker (d) none of these.


 Contraction of ventricular myocardium is controlled by (a) the SA node (b) the AV node
 (c) the AV bundle (d) all of these.
Coronary Arteries and Cardiac Veins
Blood supply to the right ventricular myocardium is provided by
(a) the left coronary artery (b) the right coronary artery (c) pulmonary artery
                                 (d) all of these.
Blood Vessels
The inner lining of a blood vessel is (a) called tunica intima (b) smooth
         (c) continuous with the endocardium (d) all of these.
Arteries
Aorta   Aortic Arch




                     Descending
Ascending
Arteries of the head and neck
Thorax and upper arm
Abdominal and Pelvic


      Celiac
Superior Mesenteric
       Renal
Inferior Mesenteric



 Common Iliac

  Internal Iliac

  External Iliac
Arteries of the leg
Veins
Veins
Head and Neck
Veins of the upper thorax
Shoulder and Arm
Hepatic Vein and Hepatic Portal
Renal Veins
Pelvic Veins
Leg Veins
Blood Pressure
The pressure of blood in an artery during a compression wave (systole) is called
               (a) systolic (b) diastolic (c) peristolic (d) epistolic.
Pulse
Lymphatic System
Lymph Vessels
Lymph Node
Efferent lymph ducts lead (a) toward lymph nodes (b) away from lymph nodes
               (b) toward the spleen (d) away from the spleen.
Tonsils
Tonsils contain mostly (a) T-cell lymphocytes (b) B-cell lymphocytes (c) macrophages
                                    (d) erythrocytes.
Spleen
The spleens function is (a) fetal hemopoesis (b) recycling of red blood cells
          (d) destroying enemy cells in the blood (d) all of these.
Immunity
• Inherited or acquired?
• Non-specific
• Specific
Immunity to tuberculosis infections is (a) inherited (b) specific (c) both of these
                              (d) neither of these.
Immune System Cells
T -cells mature in the (a) lymph nodes (b) brain (c) thymus gland (d) spleen.
Antigens/Antibodies
Antibodies bond to (a) blood cells (b) B-cells (c) antigens (d) toxins.
Antibody
Antibody Binding Sites
Complement
Complement is used to (a) truss up enemy cells (b) explode bacteria
       (c) stimulate the immune system (d) rally B-cells.

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Bio112 Module Iii