American Public University

SCIN 132

1)Which of the following pituitary hormones triggers ovulation?

1. Growth hormone
2. Adrenocorticotropic hormone
3. Luteinizing hormone
4. Thyroid-stimulating hormone
5. Follicle-stimulating hormone

Question 2

Glucocorticoids are steroid hormones produced by the

1. thyroid gland.
2. hypothalamus.
3. ovaries.
4. testis.
5. adrenal gland.

Question 3  Melatonin is a hormone released by the

1. pituitary gland.
2. pancreas.
3. pineal gland.
4. thymus gland.
5. adrenal gland.

Question 4  Insufficient ADH release causes

1. cretinism.
2. aldosteronism.
3. diabetes mellitus.
4. tetany.
5. diabetes insipidus.

Question 5 of 32        0.0/ 3.0 Points

Which of the following hormones is released in response to a nerve impulse?

1. insulin
2. testosterone

   C. cortisol       

D. glucagon

E. epinephrine

Question 6

The hypothalamus, sympathetic nervous system and adrenal medullae work together to stimulate the                                                         during the initial stages of the stress response.

1. secretion of insulin
2. constriction of the adrenal gland
3. fight-or-flight response
4. exhaustion phase
5. stressor

Question 7

Which of the following is the best explanation for why hypersecretion of GH in adults does not lead to increases in height?

1. Adults lack somatomedins necessary for bone lengthening.
2. Epiphyseal plates are closed in adults.
3. The physical size of adult bones prevents further growth.
4. Adult bones lack osteoblasts.
5. GH does not affect bone growth.

Question 8

A common second messenger used in signaling pathways of water-soluble hormones is

1. CoA.
2. PTH.
3. cAMP.
4. ATP.
5. tRNA

Question 9

A cell infected by a virus will produce                                   that signal neighboring cells to increase production of proteins that interfere with viral replication.

1. interleukin

2. immunoglobulins
3. interferons
4. prostaglandins
5. antibodies

Question 10  Lymph nodes

1. are bean-shaped organs.
2. are located along lymphatic vessels.
3. filter the lymph.
4. are scattered throughout the body.
5. All of the above.

Question 11

Hemopoiesis during fetal life occurs in the

1. pancreas.
2. red pulp of the spleen.
3. white pulp of the spleen.
4. thymus gland.

E. lymph nodes.

Question 12  Edema can be a result of

1. an infected lymph node.
2. blockage of a lymphatic vessel.
3. increased blood pressure.
4. A and B are correct.
5. A, B, and C are correct.

Question 13

All the following vitamins are transported by the lymphatic system EXCEPT

1. vitamin D.
2. vitamin K.
3. vitamin
4. vitamin E.
5. vitamin A.

Question 14

Which of the following is considered a chemical factor in the first line of innate defenses?

1. flow of urine.
2. interferons.

   C. mucous membrane.

D. transferrins.

E. gastric juice.

Question 15

Which of the following usually carry out the functions of the spleen after splenectomy?

1. liver
2. liver and red bone marrow
3. thymus
4. red bone marrow
5. lymph nodes

Question 16

Organic nutrients required in small amounts to maintain growth and normal metabolism are called

1. vitamins.
2. minerals.
3. carbohydrates.
4. lipids.
5. amino acids.

Question 17

The vitamin essential for the absorption and utilization of calcium and phosphorus is vitamin

        .

1. A
2. D
3. C
4. E
5. B

Question 18

Which of the following processes are involved in carbohydrate catabolism?

1. glycolysis
2. electron transport chain
3. Krebs cycle
4. All of these processes are part of carbohydrate catabolism.

Question 19

In humans, the normal set point for body temperature is A. 35°C.

B. 40°C.

C. 41°C.

D. 37°C.

E. 39°C.

Question 20

Ketone bodies are produced in the liver as the result of catabolism of

1. amino acids.
2. glycerol.
3. glucose.
4. fatty acids.
5. glycogen.

Question 21

Chemical reactions in which simple substances are combined into more complex substances usually with the consumption of energy are collectively called

1. anabolism.
2. catabolism.
3. metabolism.
4. oxidation.
5. all of the above.

Question 22 of 32         0.0/ 3.0 Points

The transfer of heat from a warmer object to a cooler one without physical contact is called

A. transformation.

B. convection.

3. conduction.
4. radiation.
5. evaporation.

Question 23

A patient has a fasting plasma glucose (FPG) test on three successive days and the following results are obtained; 136, 130, and 128 mg/dL. How would you interpret these results?

1. These values are normal.
2. These values indicate impaired glucose uptake by cells.
3. These values indicate diabetes mellitus.
4. Unable to determine from these results. More testing is required.

Question 24

A patient has a fasting plasma glucose (FPG) test on three successive days and the following results are obtained; 82, 108, and 96 mg/dL. How would you interpret these results?

1. These values are normal.
2. These values indicate impaired glucose uptake by cells.
3. These values indicate diabetes mellitus.

Question 25

Glucose remains elevated in the bloodstream as a result of                             .

1. type 1 diabetes mellitus
2. type 1 diabetes mellitus and diabetes insipidus
3. type 1 and type 2 diabetes mellitus
4. diabetes insipidus
5. type 2 diabetes mellitus

Question 26

A patient has a fasting plasma glucose (FPG) test on three successive days and the following results are obtained; 114, 125, and 120 mg/dL. How would you interpret these results?

1. These values are normal.