Biology
Human Physiology and Anatomy
2,235 Questions
Human physiology and anatomy explore the structural organization and biological functions of the human body and its systems. Questions focus on the primary roles of organs, hormones, cellular components, and developmental processes. These fundamentals are integral to medical entrance tests and general science sections.
Organ functionsHormone functionsImmune system rolesDigestive systemCellular functions
Human Physiology and Anatomy Questions
-
It provides rigidity to the cell.
-
It gives shape to the cell.
-
It checks the entry of certain solutes.
-
It provides protection to the cell.
C
Correct answer
Explanation
Cell wall is freely permeable and does not regulate the entry of certain solutes.
-
It protects the cell against adverse environmental conditions.
-
It assists the cell in attaching to the other surfaces.
-
It helps in movement of the cell.
-
It carries genetic information.
-
It protects the cell against certain antibodies.
B
Correct answer
Explanation
Pilus (pili) assists the cell in attaching to other surfaces, which is important for genetic recombination.
-
Activated factor VII
-
Recombinant factor VIII
-
Recombinant factor X
-
Albumin solution
-
Rituximab
D
Correct answer
Explanation
The albumin solution is suitable for medical use generally at concentrations of 5-25%. Human albumin is often used to replace lost fluid, and help restore blood volume in trauma, burns and surgery patients.
-
Parry Romberg syndrome
-
Aschers syndrome
-
Gardener's syndrome
-
Van der Woud's syndrome
-
Melkersson-Rosenthal syndrome
B
Correct answer
Explanation
Aschers syndrome is characterized by double lip.
-
Achondroplasia
-
Fibrous dysplasia
-
Apert syndrome
-
Crouzon's syndrome
-
Down's syndrome
C
Correct answer
Explanation
Apert syndrome is characterized by Mitten Hands and Socket Feet.
-
Klinefelter's syndrome
-
Rubinstein-Taybi syndrome
-
Down's syndrome
-
Parry Romberg syndrome
-
Edward's syndrome
D
Correct answer
Explanation
Parry Romberg syndrome is a genetic disorder characterized by atrophic changes of the deeper structures involving one side of the face.
-
It acts as a supporting and packing tissue between the organs lying in the body cavity.
-
It helps in the repair of tissues after an injury.
-
It provides support and flexibility to the body parts.
-
It helps in combating foreign toxins.
-
It fixes skin to the underlying muscles.
C
Correct answer
Explanation
This is the correct option as this is not a function of areolar tissue. To provide support and flexibility to the body parts is a function of cartilage.
-
knee-jerk response.
-
pupillary reflex.
-
peristalisis of the intestines.
-
swallowing of food.
C
Correct answer
Explanation
Autonomic nervous system is involved in peristalsis of intestine which is effected through mysentric plexus.Other options are examples of reflex actions.
-
Osteocytes
-
Hepatocytes
-
Neurons
-
Neutrophils
C
Correct answer
Explanation
Neurons are least likely to regnerate when lost . They have least power of regeneration.
-
morphological
-
biochemical
-
developmental adjustment
-
mid-term acclimatization
C
Correct answer
Explanation
This woman has experienced a permanent change in stature from what would likely have been the case if nutrition had been poor during her growing years. Therefore, this is an example of developmental adjustment.
-
dura mater
-
arachnoid mater
-
white matter
-
gray matter
C
Correct answer
Explanation
It encircles the gray matter of spinal cord. It bears nerve processes ascending and descending the spinal cord. The white colour comes from fatty myelin sheath.
-
Supraspinous ligament
-
Posterior longitudinal ligament
-
Anterior longitudinal ligament
-
Nuchal ligament
B
Correct answer
Explanation
This ligament lies in the vertebral column. It is broader at the intervertebral discs and narrow at the vertebral bodies. It is not penetrated by the needle during spinal tap.
-
Release of energy
-
Synthesis of essential fatty acids
-
Detoxification
-
Synthesis of proteins
A
Correct answer
Explanation
Mitochondrion releases energy in the form of ATP.
-
Intracellular digestion
-
Destruction of foreign substances
-
Storage of starch
-
Digestion of cartilage
C
Correct answer
Explanation
Lysosomes do not store starch but contain different types of enzymes.
-
Cell division
-
Cell contractility
-
Cell secretion
-
Changing water content of cells
-
Cell differentiation
B
Correct answer
Explanation
Contractility of heart muscle cells set up a force for circulation of blood.