chapter 17-18

how many hormones are produced by the posterior pituitary?

0

which of the following is an anterior pituitary hormone?

TSH

cushing's disease is a disorder caused by-

abnormally high levels of cortisol

which of the following describes a neutrophil?

abundant, granular, especially effective against bacteria

iodide ions cross from the bloodstream into follicle cells via-

active transport

a small molecule binds to a G protein, preventing its activation. what direct effect will this have on signaling that involves cAMP?

adenylyl cyclase will not be activated

the process in which antibodies attach to antigens, causing the formation of masses of linked cells, is called-

agglutination

interleukins are associated primarily with which of the following?

all of the above

which of the following hormones contributes to the regulation of the body's fluid and electrocyte balance?

all of the above

hemolytic disease of the newborn is a risk during a subsequent pregnancy in which-

an rh- mother is carrying a second rh+ fetus

which of the following hormones contributed to the regulation of the body's fluid and electrocyte balance?

antidiuretic hormone

t and b lymphocytes-

are involved with specific immune function

the walls of the atria produce which hormone?

atrial natriuretic peptide

a patient has been experiencing severe, persistent allergy symptoms that are reduced when she takes an antihistamine. before the treatment, this patient was likely to have had increased activity of which leukocyte?

basophils

which of the following statements about blood is true?

blood is slightly more viscous than water

athletes may take synthetic epo to boost their-

blood oxygen levels

hormones that directly activate genes are classified as-

cholesterol / lipid soluble

what secretory cell type is found in the adrenal medulla?

chromaffin cells

prothrombin is converted to thrombin during the-

common pathway

a molecule of hemoglobin-

consists of four globin proteins, each bound to a molecule of heme

the production of healthy erythrocytes depends upon the availability of-

copper, zinc, & vitamin b12

in the elderly, decreased thyroid function causes-

decreased basal metabolic rate

hormones produced by the thymus play a role in the-

development of t cells

the process by which leukocytes squeeze through adjacent cells in a blood vessel wall is called-

emigration

the production of melatonin is inhibited by-

exposure to bright light

which of the following can result from hyperparathyroidism?

fractures

if an autoimmune disorder targets the alpha cells, production of which hormone would be directly affected?

glucagon

which hypothalamic hormone contributes to the regulation of the male reproductive system?

gonadotropin releasing hormone

which of the following plasma proteins is not produced by the livers?

immunoglobulin

hemophilia is characterized by-

inadequate production of clotting factors

the end result of the raas is to-

increase blood pressure

the production of fsh by the anterior pituitary is reduced by which hormone?

inhibin

which of the following statements about insulin is true?

insulin facilitates the movement of intracellular glucose transporters to the cell membrane

which of the following statements about erythropoietin is true?

it facilitates the proliferation and differentiation of the erythrocyte lineage

which of the following statements about albumin is true?

it is the most abundant plasma protein

the adrenal glands are attached superiorly to which organ?

kidneys

people with abo blood type o-

lack both antigens a and a on their erythrocytes

aging and damaged erythrocytes are removed from the circulation by-

macrophages

the hypothalamus is functionally and anatomically connected to the posterior pituitary lobe by a bridge of -

nerve axons

a student is in a car accident, and although not hurt, immediately experiences pupil dilation, increased heart rate, and rapid breathing. what type of endocrine system stimulus did the student recieve?

neural

the anterior pituitary gland develops from which embryonic germ layer?

oral ectoderm

chemical signaling that affects neighboring cells is called-

paracrine

what cells secrete melationin?

pinealocytes

thrombocytes are more accurately called-

platelets

which of the formed elements arise from myeloid stem cells?

platelets

a patient has been suffering for 2 months with a chronic, watery diarrhea. a blood test is likely to reveal-

polycthemia

the function of the placental hormone human placental lactogen (hpl) is to-

prepare the breasts for lactation

which of the following responses is not part of the flight-or-fight response?

reduced mental activity

endocrine glands-

secrete chemical messengers that travel in the bloodstream

which two ions are most affected by aldosterone?

sodium and potassium

target cells respond to water soluble hormones because the presence of on the cell membrane surface-

specific receptions

the gonads produce what class of hormones?

steroid hormones

when blood calcium levels are low, pth stimulates

the activity of osteoclasts

chapter 18

the cardio vascular system: blood

chapter 17

the endocrine system

the development of a goiter indicates that-

there is an excessive accumulation of colloid in the thyroid follicles

which of the following statements about mature, circulating erythrocytes is true?

they have no nucleus

a newly developed pesticide has been observed to bind to an intracellular hormone receptor. if ingested, residue from this pesticide could disrupt levels of-

thyroid hormone

the secretion of thyroid hormones is controlled by-

tsh from the anterior pituitary

the first step in hemostasis is-

vascular spasm