QUESTIONS AND ANSWERS 2026/2027. HUMAN
PHYSIOLOGY FUNDAMENTALS VERIFIED QUESTIONS &
ACCURATE ANSWERS || GRADED A+
445 questions and answers
Positive-feedback control systems: - CORRECT ANSWER - accelerate a
change.
Of the pathogenic organisms, which of the following are the most complex?
-Viruses
-Tapeworms
-Bacteria
-Protozoa - CORRECT ANSWER - Tapeworms
Shivering to try to raise your body temperature back to normal would be an
example of:
-the body trying to maintain homeostasis.
-a positive-feedback mechanism.
-a negative-feedback mechanism. - CORRECT ANSWER - the body trying to
maintain homeostasis and a negative-feedback mechanism
The term that literally means self-immunity is: - CORRECT ANSWER -
autoimmunity
,Intracellular parasites that consist of DNA or RNA surrounded by a protein coat
and sometimes by a lipoprotein envelope are called: - CORRECT ANSWER -
viruses
Pathogenesis can be defined as: - CORRECT ANSWER - the course of
disease development.
Intrinsic control: - CORRECT ANSWER - is sometimes called autoregulation.
Which of the following is not one of the basic components in a feedback control
loop?
-Effector mechanism
-Transmitter
-Sensor
-Integrating center - CORRECT ANSWER - transmitter
Negative-feedback control systems: - CORRECT ANSWER - oppose a change
Negative-feedback mechanisms:
-minimize changes in blood glucose levels.
-maintain homeostasis.
,-are responsible for an increased rate of sweating when air temperature is higher
than body temperature. - CORRECT ANSWER - All the above are correct of
the negative-feedback mechanisms
The amino group in an amino acid is: - CORRECT ANSWER - NH3+
The element that is present in all proteins but not in carbohydrates is: -
CORRECT ANSWER - nitrogen
Which of the following is not one of the major groups of organic substances in the
human body?
-proteins
-salts
-lipids
-nucleic acids - CORRECT ANSWER - salts
The term glycoprotein, a combination of two words, tells you that the compound is
made of _____, with _____ being the dominant component. - CORRECT
ANSWER - carbohydrate and protein; protein
Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must
be included in the diet, are called: - CORRECT ANSWER - essential amino
acids
, Which energy-releasing or energy-transferring molecule does not contain a
nucleotide? - CORRECT ANSWER - Creatine phosphate
Which level of protein structure refers to the number, kind, and sequence of amino
acids? - CORRECT ANSWER - primary
All of the following substances are organic except:
-lipids
-electrolytes
-carbohydrates
-proteins - CORRECT ANSWER - electrolytes
Which of the following is not true of RNA?
-it contains ribose sugar
-it contains adenine
-it is composed of smaller molecules called nucleotides
-all of the above are true of RNA - CORRECT ANSWER - all of the above are
true of RNA
The types of lipids found that form hormones, such as cortisone, estrogen, and
testosterone are: - CORRECT ANSWER - Steroids
The type of lipoprotein associated with "bad" cholesterol and the production of
atherosclerotic changes in blood vessels is: - CORRECT ANSWER - LDL