Health Science 1 Practice exam multiple choice questions PART A MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Note that the number of alternative answers varies between questions. 1) Normal development of the immune response is due in part to hormones produced the A) adrenal medulla B) pancreas C) thymus gland D) thyroid gland 2) Gluconeogenesis, the formation of glucose from fats and proteins, is due to the action of A) insulin B) secretin C) aldosterone D) cortisol 3) Virtually all amino hormones exert their signaling effects through intracellular A) second messengers B) calcium C) nucleotides D) deactivating ions 4) Which of the following is NOT a category of endocrine gland stimulus? A) neural B) hormonal C) enzymatic D) humoral 5) Chemical substances secreted cells into the extracellular fluids that travel through the blood and regulate the metabolic function of other cells in the body are called A) hormones B) enzymes C) proteins D) antibodies 6) The tract A) connects the hypophysis to the pituitary gland B) conducts aldosterone to the hypophysis C) runs through the infundibulum D) is the site of prolactin synthesis 7) Antidiuretic hormone (ADH) A) secretion is inhibited alcohol B) increases urine production C) is produced the anterior pituitary D) promotes dehydration 8) Which of the following is NOT a type of hormone interaction? A) feedback B) antagonism C) permissiveness D) synergism 1 Health Science 1 Practice exam multiple choice questions Figure 16 Using Figure 16, match the following: 9) Produces the hormones that promote the development of the female secondary sexual characteristics at puberty. A) B) C) D) E) 10) Storehouse for the hormones produced the hypothalamus of the brain. A) B) C) D) E) 11) Produce hormones involved in electrolyte balance and the stress response. A) B) C) D) E) 12) Produces hormones and is considered a neuroendocrine organ. A) B) C) 2 Health Science 1 Practice exam multiple choice questions B) sends blood through a smaller valve C) expands the thoracic cage D) pumps a greater volume of blood 17) Norepinephrine acts on the heart A) causing a decrease in stroke volume B) causing threshold to be reached more quickly C) decreasing heart contractility D) blocking the action of calcium 18) Which of the following is NOT part of the intrinsic conduction system of the heart? A) atrioventricular (AV) node B) sinoatrial (SA) node C) bundle branches D) atrioventricular (AV) valve 19) Select the correct statement about the heart valves. A) The atrioventricular (AV) valves prevent backflow of blood into the atria during ventricular contraction. B) Aortic and pulmonary semilunar valves control the flow of blood into the heart. C) The mitral (bicuspid) valve separates the right atrium from the right ventricle. D) The tricuspid valve divides the left atrium from the left ventricle. 20) Compared to skeletal muscle, cardiac muscle A) has more nuclei per cell B) cells are larger than skeletal muscle cells C) lacks striations D) has gap junctions that allow it to act as a functional syncytium 21) If we were able to artificially alter the membrane permeability of pacemaker cells so that sodium influx is more rapid, A) potassium channels compensate and no change in heart rate would occur B) tetanic contraction would occur due to the short absolute refractory period of cardiac muscle C) heart rate would decrease, but blood pressure would rise due to the excess sodium present D) threshold is reached more quickly and heart rate would increase 22) Isovolumetric contraction A) occurs immediately after the aortic and pulmonary semilunar valves close B) occurs only in people with heart valve defects C) occurs while the atrioventricular (AV) valves are open D) refers to the short period during ventricular systole when the ventricles are completely closed chambers 23) During exercise, which of the following would occur on an electrocardiogram (ECG) compared to an individual at rest? A) The interval would decrease. B) The T wave would decrease. C) The time from one R to the R of the next heartbeat would decrease. D) The segment would decrease. 24) Exercise results in skeletal muscles compressing veins which encourages blood to return to the heart. In this scenario, which of the following is correct? A) Venous return decreases. B) End diastolic volume (EDV) decreases. C) Preload increases. D) Stroke volume decreases. 4 Health Science 1 Practice exam multiple choice questions 5 Health Science 1 Practice exam multiple choice questions 33) Secondary hypertension can be caused A) kidney disease B) obesity C) stress D) smoking 34) Which of the following is NOT a part of the lymphatic system? A) Lymphatic vessels. B) Lymph nodes. C) Erythrocytes. D) Lymph. 35) Antibodies that act against a particular foreign substance are released A) plasma cells B) medullary cords C) lymph nodes D) T lymphocytes 36) Select the correct statement about lymph transport. A) Lymph transport is faster than that occurring in veins. B) Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles. C) Under normal conditions, lymph vessels are very conduits. D) Lymph transport is only necessary when illness causes tissue swelling. 7 Health Science 1 Practice exam multiple choice questions Figure 22 Using Figure 22, match the following: 37) Main (primary) bronchus. A) B) C) D) E) 38) Pharynx. A) B) C) D) E) 39) Larynx. A) B) C) D) E) 40) The main site of gas exchange is the A) alveoli B) alveolar sacs C) respiratory bronchiole D) alveolar duct 8

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Sample/practice exam June 2017, questions

Course: Health Science (scn1111)

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PART A MULTIPLE CHOICE

Choose the one alternative that best completes the statement or answers the question.

Note that the number of alternative answers varies between questions.

1) Normal development of the immune response is due in part to hormones produced by the

________.

A) adrenal medulla

B) pancreas

C) thymus gland

D) thyroid gland

2) Gluconeogenesis, the formation of glucose from fats and proteins, is due to the action of ________.

A) insulin

B) secretin

C) aldosterone

D) cortisol

3) Virtually all amino acid-based hormones exert their signaling effects through intracellular ________.

A) second messengers

B) calcium

C) nucleotides

D) deactivating ions

4) Which of the following is NOT a category of endocrine gland stimulus?

A) neural

B) hormonal

C) enzymatic

D) humoral

5) Chemical substances secreted by cells into the extracellular fluids that travel through the blood and

regulate the metabolic function of other cells in the body are called ________.

A) hormones

B) enzymes

C) proteins

D) antibodies

6) The hypothalamic-hypophyseal tract ________.

A) connects the hypophysis to the pituitary gland

B) conducts aldosterone to the hypophysis

C) runs through the infundibulum

D) is the site of prolactin synthesis

7) Antidiuretic hormone (ADH) ________.

A) secretion is inhibited by alcohol

B) increases urine production

C) is produced by the anterior pituitary

D) promotes dehydration

8) Which of the following is NOT a type of hormone interaction?

A) feedback

B) antagonism

C) permissiveness

SCN1111 Health Science 1 - Practice exam multiple choice

questions

Sample/practice exam June 2017, questions

Health Science (scn1111)

Edith Cowan University

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