Fourth Lecture Exam Flashcards
Cortisol is a hormone with a _____ chemical structure
Steroid
The hormone that increases blood sodium levels by increasing the rate of sodium reabsorption from the kidney is ______
Aldosterone
Hyperthyroidism is associated with _________
Low tolerance for warm temperature
Dietary Iodine is important for the production of _____
Thyroxine
Insulin decreases blood glucose levels by stimulating _______
glycogenesis
Untreated diabetes mellitus normally leads to ________
acidosis and coma
The blood borne substance that directly stimulates the adrenal cortex to release its mineralocorticoid hormone is ______
Angiotensin II
ADH release is stimulated by eating /drinking ________
Salty food
The ______ secretions containing fructose and prostaglandins are added to the vas deferens as it joins the ejaculatory duct
Seminal vesicle
Human chronic gonadotrophin (HGC) _______
Stimulates the maternal ovary to continue steroid production
Estrogens are NOT produced by the _____ and rather by the _____ _____ _____
trophoblast
The last electron carrier enzyme in the Electron Transport system transfers its electrons to ______
oxygen and H+
Freely Movable joints are referred to as _____ joints
diarthrotic
the target gland for corticotrophin releasing hormone (CRH) is the ______ ______
anterior pituitary
In reactions involved with the metabolism of glucose, the citric acid cycle _______
has the highest yield of electrons
Liver enzymes are able to convert amino acids to glucose in the process called _______
gluconeogenesis
Steroid hormones ______
act by entering the nucleus of the target cells
The hormone calcitonin lowers blood calcium levels by stimulating calcium uptake in bone tissue T or F
True
A goiter is an enlargement of the thyroid gland that can occur in both hyperthyroidism and hypothyroidism T or F
True
The sympathetic nervous system causes release of hormones from the adrenal medulla T or F
True
A hyperfunctioning adrenal cortex could lead to loss of important structural proteins in body tissues T or F
True
ADH makes nephron collecting ducts LESS permeable to water T or F
False
If levels of follicle hormones are sustained at elevated levels during the follicular phase of the ovary, ovulation will not occur T or F
True
After puberty, the anterior pituitary no longer produces GH (growth hormones) T or F
False
The onset of fever is characterized by increased sweating T or F
False
Testosterone produced by the male fetus is necessary for the normal fetal development of male reproductive organs T or F
True
Uterine contractions are stimulated by both oxytocin and progesterone T or F
False
FSH stimulates the maturation of ovarian follicles, the source of estrogen before ovulation T or F
True
High cortisol levels result in the release of adrenocorticotropic hormone (ACTH) T or F
False
Fast twitch white muscle fibers have additional mitochondria, an important adaptation for endurance types of exercise T or F
False
The hormone prolactin causes milk ejection form breast tissue T or F
False
Normally more heat exchange occurs by conduction than by radiation T or F
False
Location of the corpus luteum
Ovary
Has erectile tissue like that in the penis
Clitoris
The fertilized ovum spends its first four days here
Uterine Tissue
Has Bartholin’s glands that secrete mucus
Goes through proliferative and secretory phases
Uterus
Hormone normally released at meal time
Insulin
Potent vasoconstrictor hormone
Norepinephrine
Causes release of glucose from liver
Cortisol
Chronic excess could lead to spontaneous bone fracture
Parathyroid Hormone
Represents 80% of the hormone produced in the adrenal medulla
Epinephrine