Cretinism is caused by:
Anonymous Quiz
3%
Hyperthyroidism during early childhood
1%
Acute thyroiditis.
95%
Hypothyroidism during early childhood
1%
Hypothyroidism after puberty.
Regarding thyroid hormones:
Anonymous Quiz
7%
T3 is more abundant than T4
0%
they decrease the BMR
3%
they decrease the GIT motility
90%
T3 is more active than T4
Physiologically active thyroxin is:
Anonymous Quiz
16%
bound to globulin
5%
bound to albumin
3%
bound to prealbumin
75%
unbound
Which of the following is not a function of TSH?
Anonymous Quiz
6%
activation of thyroid follicular cells
85%
conversion of T4 to T3
9%
Increasing thyroglobulin synthesis
0%
Increasing release of T3, T4
The hypothalamus controls the secretion of all the following, EXCEPT:
Anonymous Quiz
4%
Thyroid stimulating hormone (TSH)
80%
Somatomedins
4%
Adrenocorticotropic hormone (ACTH)
11%
Follicle stimulating hormone (FSH)
Which one of the following hormones originates in the anterior pituitary?
Anonymous Quiz
4%
Dopamine
8%
Growth hormone releasing hormone (GHRH)
83%
Thyroid-stimulating hormone (TSH)
4%
Gonadotropin-releasing hormone (GnRH)
A 10- years old child with deficient anterior pituitary function is likely to:
Anonymous Quiz
1%
Develop acromegaly
48%
Be of a short stature with abnormal body proportions
6%
Excrete a large amount of diluted urine
45%
Have normal sexual and mental development
The release of hormones by the anterior pituitary is controlled by:
Anonymous Quiz
94%
Releasing and inhibiting hormones from the hypothalamus
3%
Direct neural stimulation of the hypothalamus
1%
cAMP from the hypothalamus
1%
The posterior pituitary
Which of the following hormones is secreted by the posterior gland?
Anonymous Quiz
0%
Follicle stimulating hormone
0%
Luteinizing hormone
4%
Prolactin
96%
Vasopressin
Concerning posterior pituitary hormones:
Anonymous Quiz
4%
Oxytocin stimulates milk synthesis by the breast.
80%
They are formed by the hypothalamus.
5%
Deficiency of Anti-diuretic hormone (ADH) results in decreased production of urine.
11%
Secretion of Oxytocin and ADH is regulated by releasing hormones.
Acromegaly is characterized by:
Anonymous Quiz
4%
Hypoglycemia
14%
Overgrowth of long bones
78%
Increased growth of soft tissue
3%
Mental retardation
Pituitary dwarfism is characterized by:
Anonymous Quiz
84%
Short stature and normal mentality
3%
Mental retardation
1%
Hypogonadism only
12%
Short stature and hypogonadism.
High plasma level of thyroxin:
Anonymous Quiz
5%
Causes depression of mental function
82%
Depletes fat stores
8%
Increases body weight
6%
Produces hypothermia.
Regarding the uterus, mark one correct statement;
Anonymous Quiz
11%
a- It is retroverted retroflexed.
5%
b- The relative length of the body to the cervix in the adult female is 1/3.
43%
C-The lymph vessels from the fundus accompany the ovarian arteries.
41%
d- The ureters are closely related to the sides of the body of uterus.
Regarding the uterus, which of the following statements is correct:
Anonymous Quiz
0%
a- It is normally retroverted retroflexed.
9%
b- The anterior wall of the cervix is covered with peritoneum.
88%
c-The uterine artery takes a tortuous course inside the broad ligament.
3%
d- The uterine artery gives no branches to the vagina and the Fallopian tube.
The portion of the broad ligament of the uterus that is attached to the uterine tube is known as the:
Anonymous Quiz
6%
a- Round ligament
12%
b- Mesovarium
6%
c- Mesometrium
76%
d-Mesosalpinx