In-Class Quizzes Flashcards
Which species has the largest ovary?
Mare
The hormone synthesized and released from the hypothalamus is _______
A) GnRH
B) FSH
C) LH
D) ACTH
GnRH
Endometrial caruncles are NOT present in _____ species.
A) bovine
B) canine
C) ovine
D) caprine
canine
The species with the shortest ratio of uterine body to uterine horn length is _____
A) bovine
B) ovine
C) swine
D) equine
swine
Progesterone receptors are located in ______
A) nucleus
B) cytoplasm
C) nucleus and cytoplasm
D) nucleus, cytoplasm, and cell membrane
D) nucleus, cytoplasm, and cell membrane
All of the following statements are correct except ________ AND ________.
A) the ovary is considered a primary female reproductive organ
B) the oviduct is a coiled tubular structure which extend from the ovaries to the uterus
C) the uterus is lined by stratified squamous epithelium
D) the cervix is a sphincter-like structure located between the uterus and the vagina
E) the vaginal wall consists of endometrium, myometrium, and perimetrium
F) external genitalia consists of vulva, clitoris, vestibule, and vestibular glands
C and E
All of the following about the mare reproductive system are correct except ______ and _____.
A) the ovaries are bean-shaped
B) the ovarian cortex and medulla are inverted
C) the ovarian arteries crawl along the utero-ovarian vein
D) a deep recess present on the mare’s ovary is called an ovulation fossa
E) the uterine horns are arranged parallel to the uterine body
F) the clitoris is very prominent
C and E
The hormones and their biochemical properties are matched correctly except _______ and ________.
A) oxytocin - amine
B) melatonin - peptide
C) FSH - glycoprotein
D) estrogen - steroid
E) prolactin - protein
F) prostaglandins - fatty acid
A and B
All of the following statements are correct except ______ and ______.
A) Steroidogenic acute regulatory protein (StAR) transports cholesterol from the outer mitochondrial membrane to the inner mitochondrial membrane
B) Cyclooxygenases-1 or 2 catalyze the formation of prostaglandin H2
C) nuclear receptors transmit signals to effector proteins via second messengers
D) FSH receptor has a DNA binding domain
E) signal transduction is the intracellular transfer of information through a signal pathway
F) downregulation is the decrease in total receptor number in the cell
C and D
Oxytocin is produced by _______ and _______.
A) Arcuate nucleus
B) dorsomedial nucleus
C) ventromedial nucleus
D) suprachiasmatic nucleus
E) paraventricular nucleus
F) supra optic nucleus
E and F
True or false: in hens, the ovaries are bilateral, round to oval, and firm
False
True or false: LH receptors are located on the cell surface
True
True or false: the mesosalpinx is divided into three parts: the infundibulum, ampulla, and isthmus
False
True or false: once released, peptide hormones circulate freely in the blood, while steroid hormones bind to carrier proteins
True
True or false: the surface of the endometrium has folds in the queen
False
