Tutorial 1

Question 1

The sternum is ___________ to the heart.

posterior, anterior, inferior, lateral, distal

Answer 1

anterior

Question 2

The plane that divides the body into a superior and inferior portion is the:

parasaggital plane, midsaggital plane, transverse plane, oblique plane, frontal plane

Answer 2

transverse plane

Question 3

All of the following belong to the ventral body cavity EXCEPT:

thoracic cavity, abdominal cavity, cranial cavity, pleural cavity, pericardial cavity

Answer 3

cranial cavity

Question 4

The anatomical term which best describes a structure toward the head is:

superficial, deep, inferior, superior, anterior

Answer 4

superior

Question 5

The body cavity containing the urinary bladder and portions of the large intestine is the:

pelvic cavity/abdominal cavity/mediastinum/pleural cavity/dorsal cavity

Answer 5

pelvic cavity

Question 6

In a negative feedback system, the response of the effector ________

enhances the original stimulus / eliminates the original stimulus / reverses the original stimulus / does not change the original stimulus / does not affect the original stimulus

Answer 6

reverses the original stimulus

Question 7

All of the following belong to feedback systems which control homeostasis EXCEPT:

control centre / receptor / receiver / effector / All of the above are basic components of the feedback system

Answer 7

receiver

Question 8

What is the function of the following:
lysosome

Answer 8

Contain hydrolytic enzymes

Question 9

What is the function of the following:
Smooth E.R

Answer 9

Site of lipid and steroid hormone synthesis

Question 10

What is the function of the following:
Ribosome

Answer 10

Granules of RNA & protein involved in protein synthesis

Question 11

What is the function of the following:
microtubules

Answer 11

Contractile proteins involved in cell & organelle movement

Question 12

What is the function of the following:
Golgi apparatus

Answer 12

Proteins exported from cell are modified here

Question 13

What is the function of the following:
microfilaments

Answer 13

Thin strands of protein that provide structural support

Question 14

Movement of substances against their
concentration gradient is known as:

Active Transport / Osmosis / Diffusion / Filtration

Answer 14

Active Transport

Question 15

Osmosis is movement of _____

Any substance down its concentration gradient / Any substance up its concentration gradient / Water up its concentration gradient / Water down its concentration gradient

Answer 15

Water down its concentration gradient

Question 16

Exocytosis_____

is a passive process / is an example of facilitated transport / requires energy / allows material to enter the cell

Answer 16

requires energy

Question 17

What does transport in vesicles involve?

Answer 17

• Requires energy
• Involves small membrane sac
• Endocytosis - importing
  materials
• Exocytosis- exporting
  materials

Question 18

Centrioles are composed of:

Microtubules / Microfilaments / Intermediate filaments / Pericentriolar material

Answer 18

Microtubules

Question 19

Which ONE of the following statements relating to the initiation of protein translation is correct:

The start codon is UAC / The initiator tRNA is bound to glutamine / The start codon is UAG / The initiator tRNA carries no amino acid / The initiator tRNA anticodon is UAC

Answer 19

The initiator tRNA anticodon is UAC