Question 1

Positive-feedback control systems:
-have no effect on the deviation from set point. 
  -accelerate a change. 
  -ignore a change. 
  -do not exist in human systems.

Accepted Answer

accelerate a change.

Question 2

The body’s thermostat is located in the:
  -heart. 
  -cerebellum. 
  -pituitary. 
  -hypothalamus.

Accepted Answer

hypothalamus.

Question 3

The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are:
  -triglycerides. 
  -phosphoglycerides. 
  -steroids. 
  -prostaglandins.

Accepted Answer

steroids

Question 4

A structural lipid found in the cell membrane is a:
  -triglyceride. 
  -phospholipid. 
  -steroid. 
  -Both B and C are correct.

Accepted Answer

both b and c

Question 5

Which of the following is not true of both triglycerides and phospholipids?
 -They both contain glycerol. 
  -They both contain a hydrophobic and hydrophilic end. 
  -All of the above are true of both triglycerides and phospholipids.

Accepted Answer

They both contain a hydrophobic and hydrophilic end.

Question 6

Phagocytosis is an example of:
  -exocytosis. 
  -endocytosis. 
  -passive transport. 
  -facilitated diffusion.

Accepted Answer

endocytosis.

Question 7

When the chromosomes align themselves across the equator of the spindle fibers, it is characteristic of which phase of mitosis?
  -Prophase 
  -Anaphase 
  -Metaphase 
  -Telophase

Accepted Answer

metaphase

Question 8

Transcription can be best described as the:
  -degradation of tRNA. 
  -reading of mRNA codons by tRNA. 
  -replication of DNA. 
  -synthesis of mRNA.

Accepted Answer

synthesis of mRNA.

Question 9

All of the following are examples of passive transport except:
-  filtration. 
  -osmosis. 
  -endocytosis. 
  -dialysis.

Accepted Answer

endocytosis.

Question 10

If a sequence of nitrogen bases in nucleic acid were A-U-C-G-A, which of the following would be true about the nucleic acid?
  -It contains deoxyribose sugar. 
  -It could be found only in the nucleus. 
  -Both A and B are true.

Accepted Answer

Both A and B are true.

Question 11

Which of the following is not a function of the skin?
 - Defense against disease organisms 
  -Synthesis of vitamin E 
  -Regulation of body temperature 
  -Excretion of water and salts

Accepted Answer

synthesis of vitamic E

Question 12

Which is not a function of epithelial tissue?
  -Absorption 
  -Secretion 
  -Assimilation 
  -Protection

Accepted Answer

Assimilation

Question 13

Which type of connective tissue helps newborns maintain body temperature by producing heat?
  -Dense fibrous tissue 
  -Beige fat 
  -Brown fat 
  -White fat

Accepted Answer

brown fat

Question 14

Basement membrane is composed of molecules made by _____ tissue.
  -muscle 
  -connective 
  -epithelial 
  -Both B and C are correct.

Accepted Answer

Both B and C are correct.

Question 15

Blood calcium levels involve secretion of which two hormones?
  -parathyroid and adrenaline 
  -parathyroid and calcitonin 
  -calcitonin and adrenaline 
  -calcitonin and aldosterone

Accepted Answer

parathyroid and calcitonin

Question 16

The cell organelles that synthesize organic matrix substances in bone formation are:
  -mitochondria and Golgi apparatus. 
  -ribosomes and Golgi apparatus. 
  -endoplasmic reticulum and ribosomes. 
  -endoplasmic reticulum and Golgi apparatus.

Accepted Answer

endoplasmic reticulum and Golgi apparatus.

Question 17

An example of a hinge joint is(are) the:
  -head of the radius articulating with the ulna. 
  -interphalangeal joints. 
  -first metacarpal articulating with the trapezium. 
  -head of the humerus articulating with the scapula.

Accepted Answer

interphalangeal joints.

Question 18

The type of movement possible at a synovial joint depends on the:
  -amount of synovial fluid in the joint. 
  -shape of the articulating surfaces of the bones. 
  -presence of bursae in the joint. 
  -Both A and B are correct.

Accepted Answer

shape of the articulating surfaces of the bones.

Question 19

Tilting the foot upward, decreasing the angle between the top of the foot and the front of the leg, is called:
  -dorsiflexion. 
  -plantar flexion. 
  -extension. 
  -pronation.

Accepted Answer

dorsiflexion.

Question 20

Which is an incorrect statement regarding heat production?
 -The body temperature set point is established by the hypothalamus. 
  -Shivering will increase body temperature. 
  -Body temperature functions on a negative-feedback mechanism. 
  -All

Accepted Answer

ALL

Leslie Ruano

Physiology Assignment 1: Weeks 1-6

Question	Answer
Positive-feedback control systems: -have no effect on the deviation from set point. -accelerate a change. -ignore a change. -do not exist in human systems.	accelerate a change.
The body’s thermostat is located in the: -heart. -cerebellum. -pituitary. -hypothalamus.	hypothalamus.
The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: -triglycerides. -phosphoglycerides. -steroids. -prostaglandins.	steroids
A structural lipid found in the cell membrane is a: -triglyceride. -phospholipid. -steroid. -Both B and C are correct.	both b and c
Which of the following is not true of both triglycerides and phospholipids? -They both contain glycerol. -They both contain a hydrophobic and hydrophilic end. -All of the above are true of both triglycerides and phospholipids.	They both contain a hydrophobic and hydrophilic end.
Phagocytosis is an example of: -exocytosis. -endocytosis. -passive transport. -facilitated diffusion.	endocytosis.
When the chromosomes align themselves across the equator of the spindle fibers, it is characteristic of which phase of mitosis? -Prophase -Anaphase -Metaphase -Telophase	metaphase
Transcription can be best described as the: -degradation of tRNA. -reading of mRNA codons by tRNA. -replication of DNA. -synthesis of mRNA.	synthesis of mRNA.
All of the following are examples of passive transport except: - filtration. -osmosis. -endocytosis. -dialysis.	endocytosis.
If a sequence of nitrogen bases in nucleic acid were A-U-C-G-A, which of the following would be true about the nucleic acid? -It contains deoxyribose sugar. -It could be found only in the nucleus. -Both A and B are true.	Both A and B are true.
Which of the following is not a function of the skin? - Defense against disease organisms -Synthesis of vitamin E -Regulation of body temperature -Excretion of water and salts	synthesis of vitamic E
Which is not a function of epithelial tissue? -Absorption -Secretion -Assimilation -Protection	Assimilation
Which type of connective tissue helps newborns maintain body temperature by producing heat? -Dense fibrous tissue -Beige fat -Brown fat -White fat	brown fat
Basement membrane is composed of molecules made by _____ tissue. -muscle -connective -epithelial -Both B and C are correct.	Both B and C are correct.
Blood calcium levels involve secretion of which two hormones? -parathyroid and adrenaline -parathyroid and calcitonin -calcitonin and adrenaline -calcitonin and aldosterone	parathyroid and calcitonin
The cell organelles that synthesize organic matrix substances in bone formation are: -mitochondria and Golgi apparatus. -ribosomes and Golgi apparatus. -endoplasmic reticulum and ribosomes. -endoplasmic reticulum and Golgi apparatus.	endoplasmic reticulum and Golgi apparatus.
An example of a hinge joint is(are) the: -head of the radius articulating with the ulna. -interphalangeal joints. -first metacarpal articulating with the trapezium. -head of the humerus articulating with the scapula.	interphalangeal joints.
The type of movement possible at a synovial joint depends on the: -amount of synovial fluid in the joint. -shape of the articulating surfaces of the bones. -presence of bursae in the joint. -Both A and B are correct.	shape of the articulating surfaces of the bones.
Tilting the foot upward, decreasing the angle between the top of the foot and the front of the leg, is called: -dorsiflexion. -plantar flexion. -extension. -pronation.	dorsiflexion.
Which is an incorrect statement regarding heat production? -The body temperature set point is established by the hypothalamus. -Shivering will increase body temperature. -Body temperature functions on a negative-feedback mechanism. -All	ALL

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