Exam Review
- The element necessary in the diet for proper thyroid function isA)CalciumB)SodiumC)BromineD)lodineE)Potassium
- Parathyroid glands produce a hormone thatA)stimulates the formation of white blood cellsB)increases the level of calcium ions in the bloodC)increases the level of sodium ions in the bloodD)increases the level of potassium ions in the bloodE)increases the level of glucose in the blood
- A 45-year-old woman comes to her physician complaining of nervousness and an unexplained weight loss of 25 pounds over the last 3 months, despite that she is not dieting or exercising. On her physical examination, the doctor notices protruding eyes, her skin is moist and warm and her fingers have a tremor. Compared to a normal individual, the biopsy of her thyroid gland would most likely reveal which of the following?A)Decreased evidence of endocytosisB)Decreased evidence of lysosomal activityC)A decrease in the size of the follicular cellsD)A decrease in the cross-sectional area occupied by the colloidE)Decreased number of reabsorption lacunae
- Ferritin is a protein used toA)store iron in the liverB)absorb iron across intestinal cellsC)oxidize iron in the peroxisomesD)transport iron in the blood
Exam Review
- Place the following hormones in the correct order of their control, from first tier to third tier.A)thyrotropin-releasing hormone (TRH) ->production of T3 and T4->thyroid-stimulating hormone (TSH)B)thyroid-stimulating hormone (TSH) ->production of T3 and T4,->thyrotropin-releasing hormone (TRH)C)thyroid-stimulating hormone (TSH)->thyrotropin-releasing hormone (TRH) ->production of T3 and T4D)thyrotropin-releasing hormone (TRH)->thyroid-stimulating hormone (TSH) ->production of T3 and T4
- When the ovaries secrete estrogen in response to the hormone GnRH, this is an example ofA)HormonalB)NeuralC)Negative FeedbackD)Humoral
- Which of the following antibodies would you find in the plasma of a person with type O blood?A)anti-A and anti-BB)anti-AC)anti-BD)Not enough information to answer
- In the diagram of the thyroid gland, Which letter indicates the follicles with colloids?A)AB)BC)CD)DE)E
Exam Review
- Which of the following hormones stimulates the proliferation of red blood cells in red bone marrow?A)human growth hormone (hGH)B)calcitonin (CT)C)erythropoietin (EPO)D)follicle-stimulating hormone (FSH)
- Hormones that control the function of the anterior pituitary gland are released from theA)ThalamusB)HypothalamusC)Basal gangliaD)Spinal cordE)Hippocampus
- What is a function of calcitonin?A)Accelerates Ca2+ release from boneB)Stimulates Ca2+ excretion by the kidneysC)Increases Ca2+ deposition in boneD)Stimulates the formation of calcitriol in the kidneys
- Steroid hormones exert their action by.A)entering the nucleus of a cell and initiating or altering the expression of a geneB)finding an appropriate cell receptor and initiating cAMP activityC)stimulating the synthesis of a glycogenD)increasing blood pressure
Exam Review
- The hypothalamic-hypophyseal tract,A)is the vascular connection between the anterior pituitary and the hypothalamusB)is the neural connection between the hypothalamus and the neurohypophysis (posterior pituitary)C)conducts aldosterone to the hypophysisD)is the site of prolactin synthesis
- The hormones known as "catecholamines" (adrenaline, noradrenaline, and dopamine) are not lipid-soluble. Therefore their receptor sites are:A)On the inside of the plasma membraneB)On the outside of the plasma membraneC)in the cell cytoplasmD)in the cell nucleus
- Match the following:
A B C Aldosterone Cortisol Androgen - The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on.A)the location of the tissue or organ with respect to the circulatory path.B)the membrane potential of the cells of the target organ.C)the presence of the appropriate receptors on the cells of the target tissue or organ.D)Nothing, all hormones of the human body are able to stimulate any and all cell types because hormones are powerful and nonspecific.
Exam Review
- Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through theA)hepatic portal systemB)coronary circulatory systemC)hypophyseal portal systemD)hypothalamus-hypophysial tract
- Which is the fate of the iron (Fe3) that is released during the breakdown of damaged red blood cells and the recycling of the hemoglobin?A)It is transported to the liver and becomes part of the bileB)It is converted in stercobilin and gives color to the fecesC)It is used to synthesize proteinsD)It attaches to transferrin and is transported to bone marrow for use in hemoglobin synthesis
- Match the following:
A B C D Human Growth Hormone Thyroid-Stimulating hormone Follicle-stimulating hormone Luteinizing hormone - Match the cells in the diagram to their respective functions.
A B C D E Cell #1 Cell #2 Cell #3 Cell #4 Cell #5