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Zigmanuir [339]
3 years ago
15

Two mechanisms by which body temperature could be reduced after intense activity

Biology
1 answer:
jeyben [28]3 years ago
6 0
Answer:  
Evaporation of sweat and increased skin blood flow are effective mechanisms for the dissipation of heat from the body but dehydration impairs the capacity to sweat and lose body heat.
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A patient is given a glass of pure water to drink.
Lubov Fominskaja [6]

Answer:

Water will move into the cells.

Explanation:

5 0
4 years ago
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Cleansing the venipuncture site before collection of blood culture specimens usually involves the use of: isopropyl alcohol and
Sloan [31]

Answer:

C) isopropyl alcohol and chlorhexidine gluconate

Explanation:

The World Health Organization (WHO) guidelines mandate that the venipuncture site be cleaned with an alcohol swab of 70 percent alcohol.

Document H3-A6 is also recommended by the Clinical and Laboratory Standards Institute (CLSI) that skin disinfection with 70% isopropyl alcohol or ethanol is required before venipuncturing tosterile the skin surface. chlorhexidine gluconate  is a good repacment of isopropyl alcohol, hence used at venipuncture site.

Hence, the correct option is C.

7 0
3 years ago
Which one of these is characteristic of cancer cells?
nirvana33 [79]
B. 
Metastasis is the process by which cancer cells spread from their source to other regions of the body.
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3 years ago
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What biomolecule is responsible for helping to build muscle, acts as
Delvig [45]

Answer:

Proteins

Explanation:

5 0
3 years ago
Match the characteristics with the phylum. Tongue-shaped structure called radula for grasping food spongin fibers or spicules fo
svet-max [94.6K]

Answer:

  • A Tongue-shaped structure called radula for grasping food --> Mollusca
  • Fleshy lobe-like structure called parapodia --> Annelida
  • Spongin fibers or spicules for support ---> Porifera

Explanation:

Radula: This is an organ used in feeding by mollusks. It constitutes a highly developed feeding organ. The radula has is conformed of small teeth-like structures located in rows. Lateral teeth vary in shape and size. The movements of the radula during feeding are complexes acting as a scratcher on the surface to get the food.

Parapodia: These are characteristic lateral appendixes that emerge and extend from each of the body segments of invertebrates such as polychaetes. The typical parapodium is a fleshy prolongation more or less laterally comprised and is composed of a superior branch (notopodium) and an inferior branch (parapodium).  

Spicules: Sponges (Poriferous) skeleton is composed of calcium carbonate and siliceous micro-structures called spicules. Their morphology is so varied that it is used in taxonomy for identification and classification.  

There are different kinds of spicules:  

- Monoaxonic spicule: needle-shaped, straights or curves

- Tetraxonic spicules: they have four prolongations  

- Triaxonic or Hexaxonic spicules

- Poliaxonic spicules  

Two terms can be applied to any of these spicules kinds:

- Megaspicules: They are elongated and compose the main architecture of the sponge skeleton

- Microspicules: Variable in shape and size, with ancillary functions

Sponges have few predators because of the spicule structures and their high toxicity. Many of them are capable of perforating soft tissues and producing urticant substances.

6 0
3 years ago
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