A&P Lab practical

Question 1

Organs innervated by SYM

Answer 1

exclusively inervates

• Most B. vessels
• sweat glands
• Adrenal glands (medulla)
• Piloercetor

Question 2

Organs innervated by PARA

Answer 2

Lacrimal gland

Question 3

Major nerves of the ANS

Answer 3

Splanchnic

Vagus

Question 4

vagus

Answer 4

Major nerve 
Carries about 90% of pre fibers
travels down the 
-cardiac plexus
-Pulmonary plexus
-Esophageal plexus (swallowing)

Question 5

Anterior pituitary

Answer 5

Very vascular
Secretes 
FSH
LH
ACTH
PRL (target mammary gland)
GH
TSH

Question 6

Posterior pituitary

Answer 6

Neural
releases hormones from un-myelinated axon
Secretes
ADH-pumps blood press back up (allows H2O ret)
OT- (Oxytocin) Contraction of smooth muscle during labor (+FB)

Question 7

thyroid gland

Answer 7

made up of thyroid follicles
surrounded by follicular cells
secrete TG (storage form of TH)
Surrounded by parafollicular cells

Question 8

adrenal cortex

Answer 8

Nucleus of Adrenal glands
secretes
-E
-NE

Question 9

adrenal medulla

Answer 9

endocrine gland and ganglion of SYM.
Secrete
-E
-NE
-Dapamine

Question 10

pancreas

Answer 10

Secrete 
Insulin (beta cell)
Glucagon (alpha cell)
acini cells-
regulation of glycemia- blood glucose con.

Question 11

parathyroid

Answer 11

4 located in the posterior surface of the thyroid
Secrete parathyroid hormone PTH
-response to hypocalcemia

Question 12

Anterior pit. secretes

Answer 12

FSH
LH
ACTH
PRL (target mammary gland)
GH
TSH

Question 13

posterior pit secretes

Answer 13

ADH-pumps blood press back up (allows H2O ret)

OT- (Oxytocin) Contraction of smooth muscle during labor (+FB)

Question 14

Zona Glomerulosa

Answer 14

outer most layer
Releases Mineralocorticoids (aldosterone)
Restricts loss of H2O, NA in urine, Sweat, digestive tract, saliva

Question 15

Zona Fasciculata

Answer 15

Middle (Largest Layer)
Glucocorticoids (cortisol)
Stimulated by ACTH

Question 16

Zona Reticularis

Answer 16

Closest to medulla
Secretes Androgens (Male sex hormone)

Question 17

Thyroid gland cells

Answer 17

thyroid follicle
Follicular cells- TH (T3 & T4)
C cells

Question 18

thyroid gland secretes

Answer 18

TG

• storage form of TH
• Calcitonin by C cells

Question 19

Parathyroid cells

Answer 19

Chief cells-Produce PTH

Oxyphill cells

Question 20

Blood types

Answer 20

A
B
AB
O

Question 21

Type A

Answer 21

Antigens present-A
Antibodies Prod-B
Can donate to-A, AB
Cn receive from-O, A

Question 22

Parasympathetic fibers ( Craniosacral)

Answer 22

myelinated pre ganglionic (Long) (intramural)
Unmyelinated post (Short)
ACh to excite post
Release ACh

Question 23

sympathetic fibers ( Thoracolumbar)

Answer 23

myelinated pre ganglionic (short)
Unmyelinated post (long)
ACh to excite post
releases 
NE-most post ganglionic
E- From adrenal gland
ACh- sweat gland

Question 24

Pituitary

Answer 24

also called hypophysis
release 9 hormones 
-all peptides  
-all bind to (Extracellular receptors)
-Regulate by neg. feedback

Question 25

Follicular cells

Answer 25

Thyroid
simple cuboidal epithelium
secrete hormone thyroxine T4 and T3
TH- T3 & T4 collectively

Question 26

Parafollicular cells

Answer 26

thyroid
C cells
respond to rising levels of blood Ca
-Secrete Calcitonin

Question 27

Splanchnic (sacral) nerves

Answer 27

Innervate kidneys, bladder, and terminal portion of large intestine and reproductive organs.

Question 28

Organs innervated by both Para and SYM

Answer 28

Heart
Lungs
Digestive & reproductive system

Question 29

Blood type B

Answer 29

Antigen-B
Antibody-A
Receive from-O,B
Donate to-B, AB

Question 30

Blood type AB

Answer 30

Antigen-A,B
Antibody-None
Receive- O,A,B,AB
Donate- AB

Question 31

Blood type O

Answer 31

Antigen- None
antibody-A,B
receive- O
Donate- O,A,B,AB

Question 32

EKG

Answer 32

Detects electrical currents in the heart by means of electrodes (leads) apply to skin.

• amplifies the signals
• Comprehensive image of the hearts electrical activity

Question 33

P wave (EKG)

Answer 33

When SA node spreads through atria and depolarizes them.

Atrial Systole 100 ms

Question 34

Complex (EKG)

Answer 34

When AV node spreads through Ventricular mypcardium & dep. muscleQ- Small Downward reflection
R-Tall sharp peak
S- Final downward deflection

Question 35

T wave (EKG)

Answer 35

Generated by ventricular depolarization Immediately after diastole
Ventricles take longer to repolarize than to dep.
Smaller wave