WorksheetsBIOL121 Week 8 PASS - Part 1 (week 1-4 content)
Total questions: 18
Worksheet time: 21mins
TRUE or FALSE: Polar substances and charged molecules (ions) can diffuse across the plasma membrane
TRUE
FALSE
Which tissue type provides structural support, binds tissues together, and provides insulation and/or protection?
Muscular tissue
Connective tissue
Nervous tissue
Epithelial tissue
Sweating and vasodilation in response to increased body temperature are an example of:
Afferent nerve pathway
pH balance
Positive feedback loop
Negative feedback loop
Which of the following statements are true?
Prokaryotes do not have a membrane bound nucleus
Eukaryotes are always unicellular
Viruses replicate via meiosis
Viruses are much larger than bacteria
A disease transmitted by sexual contact is an example of which mode of transmission?
Indirect contact
Direct contact
Vector
Vehicle
Which of the following is NOT a key function of the integumentary system?
Important in body temperature regulation
Provides a structural framework for the body
Provides a protective, first line barrier to the external environment
Acts as a blood reservoir
Choose the INCORRECT answer relating to the lymphatic system.
Lymph fluid lows through lymphatic vessels towards the heart
The lymphatic system drains excess fluid from the tissues & brings it back to circulation
Lymph nodes contain valves which prevent backflow of lymph fluid
Lymph fluid flows through lymphatic vessels towards the spleen
TRUE or FALSE: Yellow bone marrow is found in flat bones and in the head of long bones, & yellow bone marrow produces blood cells
TRUE
FALSE
Which is true of the organic component of bone?
Made of inorganic materials like calcium phosphate
Made of organic proteins including collagen & resists tension by giving bone some flexibility
Made of organic proteins including collagen & makes bone brittle
Comprises about 2/3 of bone tissue
Fill in the blanks:
Viruses require a __(1)__ to proliferate, while bacteria do not.
Antibiotics are only effective against __(2)__.
1) Host
2) Viruses
1) Cell wall
2) Bacteria
1) Host
2) Bacteria
1) Protein capsule
2) Helminths
Fill in the blank:
The first and second lines of immunity are _____, meaning they target all pathogens indiscriminately.
Non-specific
Acquired
Specific
Fill in the blanks:
Third-line defence mechanisms involve B lymphocytes, which are part of __(1)__ immunity, and T lymphocytes which are part of __(2)__ immunity.
Humoral immunity involves production of __(3)__, while cell mediated immunity does not.
1) cell-mediated
2) humoral
3) antibodies
1) cell-mediated
2) humoral
3) plasma cells
1) humoral
2) cell-mediated
3) antigens
1) humoral
2) cell-mediated
3) antibodies
In general, the nervous system does all of the following EXCEPT:
Regenerate neurons lost from head injury/stroke via mitosis
Use electrical and chemical transmission of impulses
Help to maintain homeostasis
Integrate & interpret sensory information
Which nerves connect the central nervous system (CNS) to body regions (e.g. limbs and walls of body cavities)?
Cranial nerves
Spinal nerves
Which of the following descriptions best fits with the action potential diagram?
At 7), sodium (Na+) voltage gated channels open and Na+ flows into the cell
At 8), potassium (K+) voltage gated channels open and K+ flows into the cell
7) Threshold, -50mV
8) Depolarisation
10) Repolarisation
At 5), there are more K+ ions outside the cell than inside
Which structure receives commands from the control centre, allowing it to produce/carry out a homeostatic response?
Receptor
Effector
Detector
Which anatomical directional term best describes the location of the HUMERUS compared to the phalanges?
Distal
Proximal
Superficial
Medial
Which best describes the function of the medulla oblongata?
Contains the respiratory, cardiovascular, swallowing & vomit control centres
Controls personality, mood and behaviour
Processes tactile sensory information
Produces hormones like oxytocin and ADH
