Final Physiology... Medical 2
Final Physiology... Medical 2
Final Physiology... Medical 2
a) Bleeding
b) Vasoconstriction of efferent arterioles
c) Decreasing cardiac output
d) Vasoconstriction of the afferent arterioles
e) Decrease in nitric oxide
7-The number of spinal nerves
a) 31 nerves
b) 12 pair
c) 30 pair
d) 31 pair
e) 32 pair
8-The somatic sensory centers are located in the
a) Parietal lobe
b) Occibital lobe
c) Temporal
d) Frontal
e) All of the above
9-The brain stem includes all of the following except:
a) Hypothalamus
b) MO
c) Pons
d) Mid Brain
10-The potential created in the receptor cell is called
a) Action potential
b) End plate P
c) Generator Potential
d) Excitatory post synaptic P
e) Inhibitory post synaptic P
11-Muscle spindle are considerd as
a) Chemoreceptors
b) Proprioceptors
c) Exteroceptor
d) Osmoreceptor
e) None
e) A,b,c,d
25-Ach nicotinic receptors do exist in
a) Heart
b) Ciliary ganglia
c) Submandibular ganglia
d) Superior mesenteric ganglia
e) Abdominal Muscles
f) B,c,d,e
26-The pituitary hormone that stimulates the interstitial cells to secrete
testosterone is
a) FSH
b) LH
c) ACTH
d) ADH
e) GH
27-The huge increase in LH that occurs during the middles of the ovarian cycle
triggers
a) Follicle maturation
b) Mesnsturation
c) Ovulation
d) Menopause
e) Atresia
28-If the ovaries were removed from an otherwise healthy 20 years old female
,which of the following would you not expect to see (e5talafa 3alihe al 3olama2)
a) Decreased blood GnRH
b) Dec FSH
c) Dec LH
d) Cessation of menstruation
e) B+c
29-Sperm cannt fertilize an egg until they
a) Undergo capactitation
b) undergo activation
c) lose their acrosome
d) are in the vigaina 3 days
e) are activated by nurse cells in the vagina
30-the process of cell division that occurs after fertilization is called
a) cleavage
b) implatation
c) placentation
d) embryogenesis
e) fertilization
31-the penetration of the enometrium by the blastocyst is referred to as :
b)implantation
32-ejaculation is a
a) parasym
b) sym
c) somatic refles
d) a+b
e) a+c
33-cortical adrenal gland is stimulated by
a) para
b) sym
c) para + sym
d) angiotensin 2
e) all
34-testosterone is produced by
a) placenta
b) agrenal gland
c) lyding cells
d) a+b
e) a,b and c
35-during labor we have an increase in the release of (they are oxytocin and relaxin)
a) prostaglandin
b) oxytocin
c) relaxin
d) a+b
e) a+b+c
36-receptors for stretching of skin
a) Merkels disck
b) Ruffini organ
c) Pacinian corpuscle
d) Meissener corpuscle
f) A+b+c
43-visceral pain sensation is associated with the following characteristic except
a) Few receptor
b) Mild pain
c) Autonomic nervous system
d) Smooth muscles
e) None
44-stimulation of pre-gangilioic sym neurons to adrenal gland causes directly the release
of
a) Adrenaline
b) Ach
c) Dopamine
d) Nor-adrenaline
e) A+c
f) None
45-you discover a new drug that causes GFR to increase but the renal blood flow to
decrease .this drug does not affect arterial blood pressure .the drug causes
c)Constriction of the efferent
46-the macula densa is an important componenet for al except
a) Autoregulation of GFR
b) Secretion of rennin
c) Regulation of the afferent arteriole tone
d) Sensing fluid delevary to distal tubule
e) Sensing plasma osmolarity
47-posphate reabsorbtion by the kidney
a) Occurs primarily along the distal tubule and collecting duct
b) Has a genetically fixed transport maximum like that of glucose
c) Is controlled by secretion of angiotensin 2 (I think hada el gawab mesh mt2ked)
d) Is influenced by the level of parathairod hormone
e) Occurs primarly along the thick ascending limb of henle
48-any substance that is filtrated by glomerulus and reabsorbed and not secreted by renal
tubules will have a renal clearance that is ;
c) less than the clearance of the inulin
49-a drug that blocks angiotensin converting Enz (ACE) is given to a patient .all the
b) Increase angiotensin 2
c) Hyperkalaemia
d) All
e) None
(57-in humans at menopause there is
a) Failure of the hypothalamuse to secrete GnRH
b) Failure of anterior pituitary to secrete gonadotropins
c) Failure of the ovaries to secrete estrogens and progesterone
d) Failure of perephiral tissue to respond to female sex hormones
e) None
58-fertility in hypophysectomized adult males may be restored by appropriate treatment
with
a) FSH
b) LH and testosterone
c) Prolactin
d) A+b
e) A+b+c
f) None
59-the most important hormone regulating the rate of milk production during lactation
a) oxytocin
b) oestradiols
c) FSH
d) Progesterone
e) Prolactin
60-all of the following have an established transport Tm except
a) Glu
b) Sodium
c) Albumin
d) PAH
e) Alanine
61-which of the following physiological abnormailties would you expect to cause dilutional
hyponatremia
a) Hposecretion of aldosterone
b) Inability to form angiotensin 2
c) Hypersecretion of ADH
d) All
e) A+b only
stimulus is termed
a) Adaptation
68-When muscle contract, the activity of muscle spindle:
b) Increase
c) Decrease
d) No change
69-When muscle contract, and gamma motor fibers contract the activity of muscle spindle
a) Increase
b) Decrease
c) No change
70-Which of the following receptors are phasic not tonic
a) Vibration
b) Cold
c) Pain
d) Carotid sinus
e) Hot
f) A+b+c
Q2 A:Write the name of the receptor cell and the specific organ
Kolhom fi el sheets bs fe wa7da a5adnaha 2abel o lazem netzakkarha:
Hypoxia . Glomus cells ,, Carotid and aortic bodies
B Write the name of the neurotransmitters and whether the effect is excitatory or
inhibitory:
1- cerebral motor cortex gaba- inhibition + glutamate - excitation
2- afferent pain sensory fibers ACH nicotinic _excitation
3- pre-ganglionic sympathetic neuron ACH nicotinic
4- postganglionic parasympatheric ACH muscarinic
5- neurotransmitter causing bronchodialation adrenaline B2
6- neurotransmitter causing erection ACH muscarinic
7- inhibitory neurotransmitter in blood vessels ADRENALINE a2 +
8- excitatory neurotransmitter in ciliary muscle ACH muscarinic
9- parasympathetic postganglionic to the adrenal gland there is no para supply to
adrenal gland
10- sympathetic postganglionic to the adrenal gland adrenaline & NE +
Good Luck